I apologize for the quality of this pic. I could not get a clearer shot. Can anyone identify this potential pest? I have a zoa frag that looked like it was dying. I decided to dip it in Revive and this little bug came off. Fast little swimmer doing flips. Thanks.
Hate to say this based on the picture but what the heck. If I saw that in my dip cup, my first thought would be a polyclad flatworm. But the description sound more like a pod of some sort. How big is it?